Cycas brunnea

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Cycas brunnea

Near Threatened  (IUCN 3.1
)
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Gymnospermae
Division: Cycadophyta
Class: Cycadopsida
Order: Cycadales
Family: Cycadaceae
Genus: Cycas
Species:
C. brunnea
Binomial name
Cycas brunnea
K.D.Hill

Cycas brunnea is a species of cycad in the genus Cycas, native to northern Australia in northwest Queensland and northeast Northern Territory in a small area straddling the border of the two regions. It occurs on exposed sites in savanna and creek valleys on sandstone and limestone derived soils, with moderate seasonal rainfall.

The stems grow to 2–5 m tall, with numerous

glabrous with age, pinnate, with 160-240 leaflets, the leaflets 17–27 cm long and 6–7.5 mm wide. The petioles
are covered in brown tomentum and armed with sharp spines.

The female

sclerotesta
ovoid and flattened. The male cones are solitary and long ovoid, 21 cm long and 13 cm diameter, brown tomentose, and with an upturned apical spine.

It was first described in 1992, and is similar in appearance to

tomentose
.

References